http://archive.baxterbulletin.com/VideoNetwork/2638742558001/Rare-sea-butterflies-invade-southern-coastlinehttp://bc_gvpc_od-f.akamaihd.net/media/963482463001/201308/163/963482463001_2638739597001_d860f2aa-df53-4b00-8775-1e40751528a4.mp4?pubId=44238090001&videoId=2638742558001http://archive.baxterbulletin.com/VideoNetwork/2638742558001/Rare-sea-butterflies-invade-southern-coastlinehttp://bc_gvpc.edgesuite.net/img/963482463001/201308/1669/963482463001_2638729796001_thumbnail-for-video-2638733387001.jpgRare 'sea butterflies' invade southern coastlineOver the last few weeks, many Florida beachgoers have been wondering about the tiny needle like shells that have washed ashore. A look under a microscope reveals their rare beauty.marine biologycresis aciculabutterflyJacksonville BeachWTLVsea butterfliesvpcNational NewsFloridaFCNwater cooleroffbeat01:41